Fits all 1975-1998 up 4-cylinder 8V engines (MkI, MkII, MkIII.) Does not fit New Beetle, Golf IV, Jetta IV.
Adjust the power band exactly where you want it for the most efficient use of camshaft, with a Neuspeed CNC billet aluminum adjustable cam gear. By advancing or retarding the cam timing, you can shift the power band up or down in the rev range. Advance to move the power down lower, retard to move the power up higher. Neuspeed's cam gear is absolutely the best available. The main gear is hard anodized 7075 T6 aluminum. The hub is 6061 T6 aluminum with locking stainless steel threaded inserts. The adjustment marks are precision laser engraved with up to 7 degrees of advance or retard.